Home / 68,386.17-94,374.69-38,171.34

Finding the Fourth Proportional to 68,386.17, 94,374.69 and 38,171.34

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Solution

The fourth proportional to 68,386.17, 94,374.69 and 38,171.34 is: 52,677.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,386.17 : 94,374.69 = 38,171.34 : x
  2. Step 2: Convert to fraction form
    68,386.17/94,374.69 = 38,171.34/x
  3. Step 3: Cross multiply
    68,386.17x = 94,374.69 × 38,171.34
  4. Step 4: Simplify right side
    68,386.17x = 3,602,408,379.38
  5. Step 5: Solve for x
    x = 3,602,408,379.38/68,386.17
  6. Step 6: Final answer
    x = 52,677.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.